Single Boiler Fairlie Type Locomotives Constructed at the Mason Machine Works, 1871-1889  
Railroad State/Ctry Name No Type Wks No Date Cylinders Drv Dia  Weight  Gauge Later Operator Comments
American Fork Railroad Utah American Fork 1 0-4-4T 461 1871 10x15 3'0"   3'0"    
Calumet & Hecla Mining Company Michigan Calumet   0-6-4T 457 1872 16x22 4'1"   4'1" Hecla & Torch Lake RR  
Riviere Du Loup Railroad New Brunswick   2 4-coupled 487 1873 10x15 2'9"   3'0" Canadian National  
Utica, Ithaca & Elmira RR New York Sho Fly   0-4-4T 506 1873 12x16 2'9"   4'8 1/2" Lehigh Valley  
North & South of Georgia RR Georgia   2 4-coupled 508 1873 10x15 3'0"        
Riviere Du Loup Railroad New Brunswick   3 4-coupled 509 1873 12x16 3'0"   3'0" Canadian National  
Riviere Du Loup Railroad New Brunswick   4 4-coupled 510 1873 12x16 3'0"   3'0" Canadian National  
Hecla & Torch Lake RR Michigan Torch Lake   0-6-4T 518 1873 16x22 3'0"   4'1"    
Toledo, Wabash & Western RR Ohio & Indiana Hero 187 0-4-4T 525 1874 15x22 4'0"   61,600 4'8 1/2" Wabash  
New Brunswick Railroad Canada   5 0-4-4T 526 1874 12x16 3'0"   3'6" Canadian Pacific  
New Brunswick Railroad Canada   6 0-4-4T 527 1874 12x16 3'0"   3'6" Canadian Pacific  
Erie Railroad New York   499 0-4-6T 528 1874 15x22 4'0"   61,600 6'0"    
New Brunswick Railroad Canada   7 2-4-4T 531 1874 12x16 3'6"   3'6" Canadian Pacific  
New Brunswick Railroad Canada   8 2-4-4T 532 1874 12x16 3'6"   3'6" Canadian Pacific  
New Bedford Railroad Massachusetts Wm. Mason 23 0-6-6T 536 1874 16x24 3'6"   73,920     We're sure this is standard gauge from photos
North Pacific Coast Railroad California San Rafel 2 0-4-4T 537 1874 12x16 3'6"   3'0" North Western Pacific  
Utica, Ithaca & Elmira RR New York Leviathan   0-6-6-0 547 1875 17x24 3'6"   73,920 4'8 1/2" Lehigh Valley  
Boston, Revere Beach & Lynn RR Massachusetts Pegasus 2 0-4-4T 549 1875 10x16 3'6"   3'0"    
Boston, Revere Beach & Lynn RR Massachusetts Jupiter 3 0-4-4T 550 1875 10x16 3'6"   3'0"    
Stockton & Ione Railroad California Stockton 1 0-6-4T 551 1875 12x16 2'9"   3'0" Southern Pacific  
Stockton & Ione Railroad California Amador 2 0-6-4T 552 1875 12x16 2'9"   3'0" Southern Pacific  
Illinois Midland RR Illinois A. G. Hunter     554 1875 16x24 3'6"   73,920   Pennsylvania  
Boston, Revere Beach & Lynn RR Massachusetts Draco 6 0-4-4T 559 1876 10x16 3'6"   3'0"    
Covington, Columbus & Black Hills   Dakota 1 6-coupled 560 1876 12x16 2'9"     Chicago & Northwestern  
Peach Bottom Railroad Pennsylvania   3 6-coupled 561 1876 12x16 2'10"   42,560 3'0"    
Galveston, Harrisburg & San Antonio RR Texas Dixie Crosby 22 0-6-6T 563 1876 15x20 3'0"     Southern Pacific  
Galveston, Harrisburg & San Antonio RR Texas Comm. Garrison 26 6-coupled 570 1876 16x24 4'1"     Southern Pacific  
New York & Manhattan Beach RR New York C. L. Flint   0-4-4T 571 1877 11x16 3'0"   3'0" Long Island  
New York & Manhattan Beach RR New York Admiral Almy   0-4-4T 581 1877 12x16 3'6"   3'0" Long Island  
New York & Manhattan Beach RR New York Manhattan (I)   0-4-4T 582 1877 12x16 3'6"   3'0" Long Island  
North Pacific Coast Railroad California Bully Boy 8 0-6-6T 584 1877 13x16 3'1"   3'0" North Western Pacific  
New York & Manhattan Beach RR New York New York (I)   0-4-4T 585 1877 12x16 3'6"   3'0" Long Island  
New York & Manhattan Beach RR New York Bay Ridge   0-4-4T 588 1877 12x16 3'6"   3'0" Long Island  
Kansas Central Railroad Kansas L. T. Smith 5 2-6-6T 589 1878 12x16 2'10"   3'0"    
New York & Manhattan Beach RR New York Peter Styvesant   0-4-4T 590 1878 12x16 3'6"   3'0" Long Island  
Denver, South Park & Pacific RR Colorado Ore City 3 2-6-6T 591 1878 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
New York & Manhattan Beach RR New York Wouter Von Twiller   0-4-4T 592 1878 12x16 3'6"   3'0" Long Island  
New York & Manhattan Beach RR New York Washington Irving   0-4-4T 593 1878 12x16 3'6"   3'0" Long Island  
New York & Manhattan Beach RR New York Green Point   0-4-4T 594 1878 12x16 3'6"   3'0" Long Island  
New York & Manhattan Beach RR New York Brooklyn   0-4-4T 595 1878 12x16 3'6"   3'0" Long Island  
New York & Manhattan Beach RR New York Henrick Hudson     596 1878 12x16 3'6"   3'0" Long Island  
Denver, South Park & Pacific RR Colorado San Juan 4 2-6-6T 597 1878 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Chicago & Michigan Lake Shore RR Michigan   8 2-4-4T 598 1879 12x16 4'1"   31,880   Pere Marquette  
Denver, South Park & Pacific RR Colorado Ten Mile 6 2-6-6T 599 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Gunnison 7 2-6-6T 600 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Lake City 8 2-6-6T 601 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Kenosha 9 2-6-6T 602 1879 14x16 3'1"   45,000 3'0" Union Pacific/Chicago, Burlington & Quincy  
Marine Railroad New York East End   2-4-4T 603 1879 10x16 3'1"   3'0"    
Marine Railroad New York West End   2-4-4T 604 1879 10x16 3'1"   3'0"    
Chicago & West Michigan RR Michigan     2-4-4-T 605 1879 13x16 4'1"     Pere Marquette  
Chicago & West Michigan RR Michigan     2-4-4-T 606 1879 13x16 4'1"     Pere Marquette  
Denver, South Park & Pacific RR Colorado Granite 10 2-6-6T 607 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Ouray 11 2-6-6T 608 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Como 12 2-6-6T 609 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Ruby 13 2-6-6T 610 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Twin Lakes 14 2-6-6T 611 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Breckinridge 15 2-6-6T 612 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Eureka 16 2-6-6T 613 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Silverton 20 2-6-6T 614 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Pitkin City 21 2-6-6T 615 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Crested Butte 22 2-6-6T 616 1879 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Grant 23 2-6-6T 617 1880 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Buena Vista 24 2-6-6T 618 1880 13x16 3'1"   43,850 3'0" Union Pacific/Chicago, Burlington & Quincy  
Detroit, Hinsdale & South Western RR Michigan   5   621 1880         New York Central  
Calumet & Hecla Mining Company Michigan Red Jacket 4 0-6-4T 622 1880 16x22 4'1"   4'1" Hecla & Torch Lake RR  
Denver, South Park & Pacific RR Colorado Alpine 25 2-8-6T 623 1880 15x20 3'0"   55,340 3'0" Union Pacific/Chicago, Burlington & Quincy  
Denver, South Park & Pacific RR Colorado Rico 26 2-8-6T 624 1880 15x20 3'0"   55,340 3'0" Union Pacific/Chicago, Burlington & Quincy  
New York & Brighton Beach RR New York   1 4-coupled 625 1880 14x18 4'0"   3'0" Long Island  
New York & Brighton Beach RR New York   2 4-coupled 626 1880 14x18 4'0"   3'0" Long Island  
Toledo, Delphos & Burlington RR Ohio Geo W. Kneisley 12 6-coupled 627 1880 13x16 3'0"   3'0" New York, Chicago & St. Louis All engines are likely to be 6-coupled.
Denver, South Park & Pacific RR Colorado Roaring Fork 27 2-8-6T 628 1880 15x20 3'0"   55,340 3'0" Union Pacific/Chicago, Burlington & Quincy  
Toledo, Delphos & Burlington RR Ohio L. Downing Jr. 13 6-coupled 629 1880 13x16 3'0"   3'0" New York, Chicago & St. Louis  
Toledo, Delphos & Burlington RR Ohio Geo. Wm. Ballou 14   630 1880 13x16 3'0"   3'0" New York, Chicago & St. Louis  
Toledo, Delphos & Burlington RR Ohio Calvin S. Brice 15   631 1880 13x16 3'0"   3'0" New York, Chicago & St. Louis  
Denver, South Park & Pacific RR Colorado Denver 28 2-8-6T 632 1880 15x20 3'0"   55,340 3'0" Union Pacific/Chicago, Burlington & Quincy  
Toledo, Delphos & Burlington RR Ohio Jas. Irwin 16 6-coupled 635 1880 13x16 3'0"   3'0" New York, Chicago & St. Louis  
Toledo, Delphos & Burlington RR Ohio G. W. T. Riley 17   636 1880 13x16 3'0"   3'0" New York, Chicago & St. Louis  
St, Joseph Lead Co. Missouri Jas L. Hathaway   2-6-6T 643 1881            
Cincinatti Northern RR Ohio   4 6-coupled 645 1881 13x16 3'0"     New York Central  
Wheeling & Lake Erie RR Ohio   1 4-coupled 646 1881 15x22 3'6"   4'8 1/2" New York, Chicago & St. Louis  
Wheeling & Lake Erie RR Ohio   2   647 1881 15x22 3'6"   4'8 1/2" New York, Chicago & St. Louis Likely to be a 4-coupled
New York & Manhattan Beach RR New York Manhattan (ii)     648 1881 14x18 4'0"   3'0" Long Island Manhattan through New York (ii) are all likely to be 2-4-6T
New York & Manhattan Beach RR New York Wm. Keift     649 1881 14x18 4'0"   3'0" Long Island  
New York & Manhattan Beach RR New York East New York     650 1881 14x18 4'0"   3'0" Long Island  
New York & Manhattan Beach RR New York Gravesend   2-4-6T 651 1881 14x18 4'0"   3'0" Long Island  
Friendship Railroad New York A. W. Minor 1 4-coupled 652 1881 10x16 3'6"     Pittsburgh, Shawmut & Northern  
Wheeling & Lake Erie RR Ohio   3 0-6-6T 653 1881 17x24 4'1"   77,700 4'8 1/2" New York, Chicago & St. Louis  
Wheeling & Lake Erie RR Ohio   4 0-6-6T 654 1881 17x24 4'1"   77,700 4'8 1/2" New York, Chicago & St. Louis  
Central Iowa RR Iowa Giles E. Taintor 27 0-6-6T 655 1881 17x24 4'1"   48,000   Minneapolis & St. Louis  
Central Iowa RR Iowa H. I. Boardman 28 0-6-6T 656 1881 17x24 4'1"   48,000   Minneapolis & St. Louis  
Wheeling & Lake Erie RR Ohio   5 6-coupled 659 1881 17x24 4'1"   48,000 4'8 1/2" New York, Chicago & St. Louis  
Central Iowa RR Iowa Geo. T. M. Davis 29 0-6-6T 660 1881 17x24 4'1"   48,000   Minneapolis & St. Louis  
Central Iowa RR Iowa Peter Stan 30 0-6-6T 661 1881 17x24 4'1"   48,000   Minneapolis & St. Louis  
Central Iowa RR Iowa Henry L. Jones 31 0-6-6T 662 1881 17x24 4'1"   48,000   Minneapolis & St. Louis  
Central Iowa RR Iowa A. L. Burdett 32 0-6-6T 666 1881 17x24 4'1"   48,000   Minneapolis & St. Louis  
Bethlehem Iron Co Pennsylvania Kraft 12 6-coupled 667 1881 17x24 4'1"   77,000      
Wheeling & Lake Erie RR Ohio   8 4-coupled 668 1882 15x22 3'6"   4'8 1/2" New York, Chicago & St. Louis  
Wheeling & Lake Erie RR Ohio   9 4-coupled 669 1882 15x22 3'6"   4'8 1/2" New York, Chicago & St. Louis  
Denver, Utah & Pacific RR Colorado Middle Park 11 2-8-6T 670 1882 15x18 3'0"   50,610 3'0" Chicago, Burlington & Quincy  
Wheeling & Lake Erie RR Ohio   10 0-6-6T 671 1882 17x24 4'1"   77,700 4'8 1/2" New York, Chicago & St. Louis  
Wheeling & Lake Erie RR Ohio   11 0-6-6T 672 1882 17x24 4'1"   77,700 4'8 1/2" New York, Chicago & St. Louis  
Denver & New Orleans RR Colorado Cherry Creek 10 0-6-6T 673 1882 17x24 4'1"   77,700 4'8 1/2" Colorado & Southern  
Denver & New Orleans RR Colorado Platte 11 0-6-6T 674 1882 17x24 4'1"   77,700 4'8 1/2" Colorado & Southern  
Wheeling & Lake Erie RR Ohio   12 0-6-6T 675 1882 17x24 4'1"   77,700 4'8 1/2" New York, Chicago & St. Louis  
Wheeling & Lake Erie RR Ohio   13 0-6-6T 676 1882 17x24 4'1"   77,700 4'8 1/2" New York, Chicago & St. Louis  
Wheeling & Lake Erie RR Ohio   14 0-6-6T 677 1882 17x24 4'1"   77,700 4'8 1/2" New York, Chicago & St. Louis  
Wheeling & Lake Erie RR Ohio   15 0-6-6T 678 1882 17x24 4'1"   77,700 4'8 1/2" New York, Chicago & St. Louis  
Wheeling & Lake Erie RR Ohio   16 0-6-6T 679 1882 17x24 4'1"   77,700 4'8 1/2" New York, Chicago & St. Louis  
Wheeling & Lake Erie RR Ohio   17 0-6-6T 680 1882 17x24 4'1"   77,700 4'8 1/2" New York, Chicago & St. Louis  
Calumet & Hecla Mining Company Michigan Raymbault   0-6-4T 681 1882 16x22 4'1"   4'1" Hecla & Torch Lake RR  
New York & Manhattan Beach RR New York New York (ii)     682 1882 14x18     3'0" Long Island  
Boston, Revere Beach & Lynn RR Massachusetts   4 2-4-4T 683 1882 14x18 4'0"   3'0"    
Boston, Revere Beach & Lynn RR Massachusetts   7 2-4-4T 684 1882 14x18 4'0"   3'0"    
New York & Manhattan Beach RR New York Oriental     685 1882 12x16 3'6"   3'0" Long Island Likely to be a 0-4-4T
Wheeling & Lake Erie RR Ohio   18 4-coupled 686 1882 15x22 3'6"   4'8 1/2" New York, Chicago & St. Louis  
Denver, Utah & Pacific RR Colorado Denver 10 2-8-6T 691 1882 15x18 3'0"   50,610 3'0" Chicago, Burlington & Quincy  
Boston, Revere Beach & Lynn RR Massachusetts   8 2-4-4T 692 1882 14x18 4'0"   3'0"    
Atlantic, Mississippi & Ohio RR Virginia   86 0-4-4T 695 1883 14x22 4'1"   4'8 1/2" Norfolk & Western  
Atlantic, Mississippi & Ohio RR Virginia   87 0-4-4T 696 1883 14x22 4'1"   4'8 1/2" Norfolk & Western  
Allouez Mining Company Michigan Gratiot 2 4-coupled 698 1883 14x16 3'0"        
Long Island Railroad New York   56 2-4-6T 699 1883 14x16 4'0"   40,000 4'8 1/2"    
Long Island Railroad New York   57 2-4-6T 700 1883 14x16 4'0"   40,000 4'8 1/2"    
Long Island Railroad New York   58 2-4-6T 701 1883 14x16 4'0"   40,000 4'8 1/2"    
Long Island Railroad New York   59 2-4-6T 702 1883 14x16 4'0"   40,000 4'8 1/2"    
Long Island Railroad New York   60 2-4-6T 703 1883 14x16 4'0"   40,000 4'8 1/2"    
South Florida Railroad Florida R. M. Pulzifer   4-coupled 704 1883 13x16 3'7"   33,600 3'0" Atlantic Coast Line  
South Florida Railroad Florida H. B. Plant   4-coupled 705 1883 13x16 3'7"   33,600 3'0" Atlantic Coast Line  
South Florida Railroad Florida H. S. Hines 9 4-coupled 707 1883 13x16 3'7"   33,600 3'0" Atlantic Coast Line  
Juragua Iron Company Cuba Juraguacito 1 6-coupled 708 1883 15x18 3'0"   50,610      
Juragua Iron Company Cuba La Folie 2 6-coupled 712 1884 15x18 3'0"   50,610      
Old Colony Railroad Massachusetts   1 4-coupled 715 1885 16x24 4'9"   72,000   New York, New Haven & Hartford  
Boston, Revere Beach & Lynn RR Massachusetts   5 2-4-4T 720 1885 14x18 4'1"   3'0"    
Old Colony Railroad Massachusetts   19 4-coupled 721 1885 16x24 4'9"   72,000   New York, New Haven & Hartford  
Nantasket Beach Railroad Massachusetts Grover Cleveland   2-4-4T 723 1885 14x18 4'1"   44,000 3'0" New York, New Haven & Hartford  
Provicence, Warren & Bristol RR Rhode Island Pokanoket 7 2-4-6T 726 1885 16x24 4'8 1/2"   61,800 4'8 1/2"   Driver diameter is likely to be a typo as it matches the gauge.
Boston, Revere Beach & Lynn RR Massachusetts   6 2-4-4T 727 1885 14x18 4'1"   38,150 3'0"    
Burlington & Lamoille RR Vermont Laomoille   0-6-6T 580 1887 15x22 4'0"     Central Vermont  
Burlington & Lamoille RR Vermont Mansfield   0-6-6T 586 1887 15x22 4'0"        
Boston, Revere Beach & Lynn RR Massachusetts   9 2-4-4T 740 1887 14x18 4'1"   3'0"    
Boston, Revere Beach & Lynn RR Massachusetts   10 2-4-4T 741 1887 14x18 4'1"   3'0"    
Boston & Main RR Massachusetts Matthew Craddock 100 2-4-4T 746 1887 15x22 4'2"   4'8 1/2"    
Calumet & Hecla Mining Company Michigan Schoolcraft   0-6-4T 747 1887 16x24 4'1"   62,800 4'1" Hecla & Torch Lake RR  
Calumet & Hecla Mining Company Michigan St. Louis   0-6-4T 748 1887 16x24 4'1"   62,800 4'1" Hecla & Torch Lake RR  
South Atlantic & Ohio RR VA & Tenn   3 2-6-6T 749 1887 15x22 4'2"   4'8 1/2" Southern    
South Atlantic & Ohio RR VA & Tenn     6-coupled 750 1887 16x24 4'6"   4'8 1/2" Southern    
FC Central De Mexico Mexico   124 2-6-6T 752 1889 16x24 4'6"   93,250 3'0" National of Mexico  
FC Central De Mexico Mexico   125 2-6-6T 753 1889 16x24 4'6"   93,250 3'0" National of Mexico  
Boston, Revere Beach & Lynn RR Massachusetts Orion 1 0-4-4T     10x16 3'6"   3'0"